protagonist
Americannoun
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the leading character, hero, or heroine of a drama or other literary work.
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a proponent for or advocate of a political cause, social program, etc.
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the leader or principal person in a movement, cause, etc.
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the first actor in ancient Greek drama, who played not only the main role, but also other roles when the main character was offstage.
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Physiology. agonist.
noun
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the principal character in a play, story, etc
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a supporter, esp when important or respected, of a cause, political party, etc
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of protagonist
First recorded in 1665–75; from Greek prōtagōnistḗs “actor who plays the first part,” literally, “first combatant,” equivalent to prôt(os) “first” + agōnistḗs “one who contends for a prize, combatant, actor”; see origin at proto-, antagonist
Explanation
A protagonist is the central character in a story: the protagonist of Huckleberry Finn is — guess who? — Huckleberry Finn. A novel, movie, or play might have many main characters, but it can really only have one protagonist — or maybe two in the case of, say, Romeo and Juliet. That's because protos means "first" in Greek, and agonistes means "competitor" or "actor." It can also mean a leading figure in a real-life situation: "Abraham Lincoln and Jefferson Davis were the protagonists of the U.S. Civil War." Don't use it to mean "a supporter of an idea or cause"; the word you're looking for in that situation is proponent.
Vocabulary lists containing protagonist
"Black Panther" Lingo
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Early in the film, the protagonist, Bear, uses a magical wish that Nikki would love him more than anyone else in the world.
From The Wall Street Journal • Jun. 28, 2026
The sixth game in the franchise will feature its first ever playable female protagonist in a 3D setting - Lucia - alongside her partner in life and crime, Jason, as a second playable character.
From BBC • Jun. 24, 2026
Today I learned about the “Tootsie Shot,” a famous and often-used mini-scene that features a busy midtown street with everyone going somewhere—and the protagonist smack in the middle.
From Slate • Jun. 17, 2026
“The Little Sister” leaves much unspoken, which is fitting for a protagonist who rarely expresses herself in clear terms.
From Los Angeles Times • Jun. 12, 2026
Downtrodden Americans gravitated strongly toward the Horatio Alger protagonist, the lowly bred Everyman who rises from anonymity and hopelessness.
From "Seabiscuit: An American Legend" by Laura Hillenbrand
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.